Dear categorists, You may now preorder our book (Marta Bunge and Jonathon Funk, Singular Coverings of Toposes, LNM 1890, Springer, September 2006) from amazon.com http://www.amazon.com/Singular-Coverings-Toposes-Lecture-Mathematics/dp/3540363599/sr=8-1/qid=1157299670/ref=sr_1_1/104-6910249-0361515?ie=UTF8&s=books Best wishes, Marta Bunge ************************************************ Marta Bunge Professor Emerita Dept of Mathematics and Statistics McGill University 805 Sherbrooke St. West Montreal, QC, Canada H3A 2K6 Office: (514) 398-3810 Home: (514) 935-3618 marta.bunge@mcgill.ca http://www.math.mcgill.ca/bunge/ ************************************************